<template>
  <div class="login">
    <el-form
      ref="loginRef"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
    >
      <h3 class="title">python222 Django后台管理系统</h3>

      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          size="large"
          auto-complete="off"
          placeholder="账号"
        >
          <template #prefix><svg-icon icon="user" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          size="large"
          auto-complete="off"
          placeholder="密码"
        >
          <template #prefix><svg-icon icon="password" /></template>
        </el-input>
      </el-form-item>

      <el-checkbox
        v-model="loginForm.rememberMe"
        style="margin: 0px 0px 25px 0px"
        >记住密码</el-checkbox
      >
      <el-form-item style="width: 100%">
        <el-button
          size="large"
          type="primary"
          style="width: 100%"
          @click.prevent="handleLogin"
        >
          <span>登 录</span>
        </el-button>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span
        >Copyright © 2013-2025
        <a href="http://www.python222.com" target="_blank">python222.com</a>
        版权所有.</span
      >
    </div>
  </div>
</template>

<script setup>
  import { ref } from 'vue'
  import requestUtil from '@/util/request'
  import qs from 'qs'
  import { ElMessage } from 'element-plus'
  import Cookies from 'js-cookie'
  import { encrypt, decrypt } from '@/util/jsencrypt'
  import router from '@/router'

  const loginForm = ref({
    username: '',
    password: '',
    rememberMe: false,
  })

  const loginRef = ref(null)

  const loginRules = {
    username: [{ required: true, trigger: 'blur', message: '请输入您的账号' }],
    password: [{ required: true, trigger: 'blur', message: '请输入您的密码' }],
  }

  const handleLogin = () => {
    loginRef.value.validate(async (valid) => {
      if (valid) {
        let result = await requestUtil.post(
          'user/login?' + qs.stringify(loginForm.value)
        )
        console.log(result)
        let data = result.data
        if (data.code == 200) {
          ElMessage.success(data.info)
          window.sessionStorage.setItem('token', data.token)
          const currentUser = data.user
          currentUser.roles = data.roles
          window.sessionStorage.setItem(
            'currentUser',
            JSON.stringify(data.user)
          )
          window.sessionStorage.setItem(
            'menuList',
            JSON.stringify(data.menuList)
          )
          // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
          if (loginForm.value.rememberMe) {
            Cookies.set('username', loginForm.value.username, {
              expires: 30,
            })
            Cookies.set('password', encrypt(loginForm.value.password), {
              expires: 30,
            })
            Cookies.set('rememberMe', loginForm.value.rememberMe, {
              expires: 30,
            })
          } else {
            // 否则移除
            Cookies.remove('username')
            Cookies.remove('password')
            Cookies.remove('rememberMe')
          }
          //跳转到主页
          router.replace('/')
        } else {
          ElMessage.error(data.info)
        }
      } else {
        console.log('验证失败')
      }
    })
  }
  function getCookie() {
    const username = Cookies.get('username')
    const password = Cookies.get('password')
    const rememberMe = Cookies.get('rememberMe')
    loginForm.value = {
      username: username === undefined ? loginForm.value.username : username,
      password:
        password === undefined ? loginForm.value.password : decrypt(password),
      rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
    }
  }

  getCookie()
</script>

<style lang="scss" scoped>
  a {
    color: white;
  }
  .login {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    background-image: url('../assets/images/login-background.jpg');
    background-size: cover;
  }
  .title {
    margin: 0px auto 30px auto;
    text-align: center;
    color: #707070;
  }

  .login-form {
    border-radius: 6px;
    background: #ffffff;
    width: 400px;
    padding: 25px 25px 5px 25px;

    .el-input {
      height: 40px;

      input {
        display: inline-block;
        height: 40px;
      }
    }
    .input-icon {
      height: 39px;
      width: 14px;
      margin-left: 0px;
    }
  }
  .login-tip {
    font-size: 13px;
    text-align: center;
    color: #bfbfbf;
  }
  .login-code {
    width: 33%;
    height: 40px;
    float: right;
    img {
      cursor: pointer;
      vertical-align: middle;
    }
  }
  .el-login-footer {
    height: 40px;
    line-height: 40px;
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    color: #fff;
    font-family: Arial;
    font-size: 12px;
    letter-spacing: 1px;
  }
  .login-code-img {
    height: 40px;
    padding-left: 12px;
  }
</style>
